81084339

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{75709}}^1$

素因数の和:75739

約数の個数: 24

約数和(自身を含む): 141729120

約数和(自身を除く): 60644781

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 75709, 227127, 529963, 681381, 1287053, 1589889, 3861159, 4769667, 9009371, 11583477, 27028113, 81084339]

約数ペア:

[(1, 81084339), (3, 27028113), (7, 11583477), (9, 9009371), (17, 4769667), (21, 3861159), (51, 1589889), (63, 1287053), (119, 681381), (153, 529963), (357, 227127), (1071, 75709)]